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VIDEO:Tech

How to Use a QR Code

Description:There are codes known as QR codes that look like two-dimensional bar codes. You may have seen these unusual looking codes either on the Internet or on the street and wondered what to do with them. It turns out that they are codes used to retrieve information and we'll show you how to use QR codes in this tutorial! (1:55)

Source: butterscotch

Tags: How to Use a QR Code , butterscotch , qr barcode , qr code

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